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/* $NetBSD: cfe_api.h,v 1.3 2003/02/07 17:38:48 cgd Exp $ */
/* from: SiByte Id: cfe_api.h,v 1.29 2002/07/09 23:29:11 cgd Exp $ */

/*-
 * Copyright 2000, 2001, 2002
 * Broadcom Corporation. All rights reserved.
 *
 * This software is furnished under license and may be used and copied only
 * in accordance with the following terms and conditions.  Subject to these
 * conditions, you may download, copy, install, use, modify and distribute
 * modified or unmodified copies of this software in source and/or binary
 * form. No title or ownership is transferred hereby.
 *
 * 1) Any source code used, modified or distributed must reproduce and
 *    retain this copyright notice and list of conditions as they appear in
 *    the source file.
 *
 * 2) No right is granted to use any trade name, trademark, or logo of
 *    Broadcom Corporation.  The "Broadcom Corporation" name may not be
 *    used to endorse or promote products derived from this software
 *    without the prior written permission of Broadcom Corporation.
 *
 * 3) THIS SOFTWARE IS PROVIDED "AS-IS" AND ANY EXPRESS OR IMPLIED
 *    WARRANTIES, INCLUDING BUT NOT LIMITED TO, ANY IMPLIED WARRANTIES OF
 *    MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR
 *    NON-INFRINGEMENT ARE DISCLAIMED. IN NO EVENT SHALL BROADCOM BE LIABLE
 *    FOR ANY DAMAGES WHATSOEVER, AND IN PARTICULAR, BROADCOM SHALL NOT BE
 *    LIABLE FOR DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 *    CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 *    SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
 *    BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
 *    WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
 *    OR OTHERWISE), EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 * $FreeBSD: release/9.1.0/sys/dev/cfe/cfe_api.h 183370 2008-09-26 03:53:10Z imp $
 */

/*  *********************************************************************
    *
    *  Broadcom Common Firmware Environment (CFE)
    *
    *  Device function prototypes		File: cfe_api.h
    *
    *  This file contains declarations for doing callbacks to
    *  cfe from an application.  It should be the only header
    *  needed by the application to use this library
    *
    *  Authors:  Mitch Lichtenberg, Chris Demetriou
    *
    ********************************************************************* */

#ifndef CFE_API_H
#define CFE_API_H

/*
 * Apply customizations here for different OSes.  These need to:
 *	* typedef uint64_t, int64_t, intptr_t, uintptr_t.
 *	* define cfe_strlen() if use of an existing function is desired.
 *	* define CFE_API_IMPL_NAMESPACE if API functions are to use
 *	  names in the implementation namespace.
 * Also, optionally, if the build environment does not do so automatically,
 * CFE_API_* can be defined here as desired.
 */
/* Begin customization. */
#include <sys/stdint.h>		/* All of the typedefs.  */
#include <sys/systm.h>		/* strlen() prototype.  */

#define	CFE_API_ALL
#define	cfe_strlen(x)	strlen(x)
/* End customization. */


/*  *********************************************************************
    *  Constants
    ********************************************************************* */

/* Seal indicating CFE's presence, passed to user program. */
#define CFE_EPTSEAL 0x43464531

#define CFE_MI_RESERVED	0		/* memory is reserved, do not use */
#define CFE_MI_AVAILABLE 1		/* memory is available */

#define CFE_FLG_WARMSTART     0x00000001
#define CFE_FLG_FULL_ARENA    0x00000001
#define CFE_FLG_ENV_PERMANENT 0x00000001

#define CFE_CPU_CMD_START 1
#define CFE_CPU_CMD_STOP 0

#define CFE_STDHANDLE_CONSOLE	0

#define CFE_DEV_NETWORK 	1
#define CFE_DEV_DISK		2
#define CFE_DEV_FLASH		3
#define CFE_DEV_SERIAL		4
#define CFE_DEV_CPU		5
#define CFE_DEV_NVRAM		6
#define CFE_DEV_CLOCK           7
#define CFE_DEV_OTHER		8
#define CFE_DEV_MASK		0x0F

#define CFE_CACHE_FLUSH_D	1
#define CFE_CACHE_INVAL_I	2
#define CFE_CACHE_INVAL_D	4
#define CFE_CACHE_INVAL_L2	8

#define CFE_FWI_64BIT		0x00000001
#define CFE_FWI_32BIT		0x00000002
#define CFE_FWI_RELOC		0x00000004
#define CFE_FWI_UNCACHED	0x00000008
#define CFE_FWI_MULTICPU	0x00000010
#define CFE_FWI_FUNCSIM		0x00000020
#define CFE_FWI_RTLSIM		0x00000040

typedef struct {
    int64_t fwi_version;		/* major, minor, eco version */
    int64_t fwi_totalmem;		/* total installed mem */
    int64_t fwi_flags;		        /* various flags */
    int64_t fwi_boardid;		/* board ID */
    int64_t fwi_bootarea_va;		/* VA of boot area */
    int64_t fwi_bootarea_pa;		/* PA of boot area */
    int64_t fwi_bootarea_size;	        /* size of boot area */
} cfe_fwinfo_t;


/*
 * cfe_strlen is handled specially: If already defined, it has been
 * overridden in this environment with a standard strlen-like function.
 */
#ifdef cfe_strlen
# define CFE_API_STRLEN_CUSTOM
#else
# ifdef CFE_API_IMPL_NAMESPACE
#  define cfe_strlen(a)			__cfe_strlen(a)
# endif
int cfe_strlen(char *name);
#endif

/*
 * Defines and prototypes for functions which take no arguments.
 */
#ifdef CFE_API_IMPL_NAMESPACE
int64_t __cfe_getticks(void);
#define cfe_getticks()			__cfe_getticks()
#else
int64_t cfe_getticks(void);
#endif

/*
 * Defines and prototypes for the rest of the functions.
 */
#ifdef CFE_API_IMPL_NAMESPACE
#define cfe_close(a)			__cfe_close(a)
#define cfe_cpu_start(a,b,c,d,e)	__cfe_cpu_start(a,b,c,d,e)
#define cfe_cpu_stop(a)			__cfe_cpu_stop(a)
#define cfe_enumenv(a,b,d,e,f)		__cfe_enumenv(a,b,d,e,f)
#define cfe_enummem(a,b,c,d,e)		__cfe_enummem(a,b,c,d,e)
#define cfe_exit(a,b)			__cfe_exit(a,b)
#define cfe_flushcache(a)		__cfe_cacheflush(a)
#define cfe_getdevinfo(a)		__cfe_getdevinfo(a)
#define cfe_getenv(a,b,c)		__cfe_getenv(a,b,c)
#define cfe_getfwinfo(a)		__cfe_getfwinfo(a)
#define cfe_getstdhandle(a)		__cfe_getstdhandle(a)
#define cfe_init(a,b)			__cfe_init(a,b)
#define cfe_inpstat(a)			__cfe_inpstat(a)
#define cfe_ioctl(a,b,c,d,e,f)		__cfe_ioctl(a,b,c,d,e,f)
#define cfe_open(a)			__cfe_open(a)
#define cfe_read(a,b,c)			__cfe_read(a,b,c)
#define cfe_readblk(a,b,c,d)		__cfe_readblk(a,b,c,d)
#define cfe_setenv(a,b)			__cfe_setenv(a,b)
#define cfe_write(a,b,c)		__cfe_write(a,b,c)
#define cfe_writeblk(a,b,c,d)		__cfe_writeblk(a,b,c,d)
#endif /* CFE_API_IMPL_NAMESPACE */

int cfe_close(int handle);
int cfe_cpu_start(int cpu, void (*fn)(void), long sp, long gp, long a1);
int cfe_cpu_stop(int cpu);
int cfe_enumenv(int idx, char *name, int namelen, char *val, int vallen);
int cfe_enummem(int idx, int flags, uint64_t *start, uint64_t *length,
		uint64_t *type);
int cfe_exit(int warm,int status);
int cfe_flushcache(int flg);
int cfe_getdevinfo(char *name);
int cfe_getenv(char *name, char *dest, int destlen);
int cfe_getfwinfo(cfe_fwinfo_t *info);
int cfe_getstdhandle(int flg);
int cfe_init(uint64_t handle,uint64_t ept);
int cfe_inpstat(int handle);
int cfe_ioctl(int handle, unsigned int ioctlnum, unsigned char *buffer,
	      int length, int *retlen, uint64_t offset);
int cfe_open(char *name);
int cfe_read(int handle, unsigned char *buffer, int length);
int cfe_readblk(int handle, int64_t offset, unsigned char *buffer, int length);
int cfe_setenv(char *name, char *val);
int cfe_write(int handle, unsigned char *buffer, int length);
int cfe_writeblk(int handle, int64_t offset, unsigned char *buffer,
		 int length);

#endif /* CFE_API_H */